iio: accel: Add support for the h3lis331dl accelerometer
This commit adds support for STMicroelectronics h3lis331dl high-g accelerometer. The datasheet for this device can be found here: http://www.st.com/web/en/resource/technical/document/ datasheet/DM00053090.pdf Signed-off-by: Tiberiu Breana <tiberiu.a.breana@intel.com> Reviewed-by: Denis Ciocca <denis.ciocca@st.com> Acked-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>hifive-unleashed-5.1
Tiberiu Breana
Jonathan Cameron
parent
2bcdb3f2e0
commit
1e52fefc9b
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@ -37,6 +37,7 @@ Accelerometers:
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- st,lsm330-accel
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- st,lsm303agr-accel
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- st,lis2dh12-accel
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- st,h3lis331dl-accel
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Gyroscopes:
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- st,l3g4200d-gyro
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@ -64,7 +64,7 @@ config IIO_ST_ACCEL_3AXIS
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help
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Say yes here to build support for STMicroelectronics accelerometers:
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LSM303DLH, LSM303DLHC, LIS3DH, LSM330D, LSM330DL, LSM330DLC,
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LIS331DLH, LSM303DL, LSM303DLM, LSM330, LIS2DH12.
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LIS331DLH, LSM303DL, LSM303DLM, LSM330, LIS2DH12, H3LIS331DL.
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This driver can also be built as a module. If so, these modules
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will be created:
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@ -14,6 +14,7 @@
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#include <linux/types.h>
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#include <linux/iio/common/st_sensors.h>
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#define H3LIS331DL_DRIVER_NAME "h3lis331dl_accel"
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#define LIS3LV02DL_ACCEL_DEV_NAME "lis3lv02dl_accel"
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#define LSM303DLHC_ACCEL_DEV_NAME "lsm303dlhc_accel"
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#define LIS3DH_ACCEL_DEV_NAME "lis3dh"
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@ -39,6 +39,9 @@
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#define ST_ACCEL_FS_AVL_6G 6
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#define ST_ACCEL_FS_AVL_8G 8
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#define ST_ACCEL_FS_AVL_16G 16
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#define ST_ACCEL_FS_AVL_100G 100
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#define ST_ACCEL_FS_AVL_200G 200
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#define ST_ACCEL_FS_AVL_400G 400
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/* CUSTOM VALUES FOR SENSOR 1 */
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#define ST_ACCEL_1_WAI_EXP 0x33
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@ -181,6 +184,33 @@
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#define ST_ACCEL_5_IG1_EN_MASK 0x08
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#define ST_ACCEL_5_MULTIREAD_BIT false
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/* CUSTOM VALUES FOR SENSOR 6 */
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#define ST_ACCEL_6_WAI_EXP 0x32
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#define ST_ACCEL_6_ODR_ADDR 0x20
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#define ST_ACCEL_6_ODR_MASK 0x18
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#define ST_ACCEL_6_ODR_AVL_50HZ_VAL 0x00
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#define ST_ACCEL_6_ODR_AVL_100HZ_VAL 0x01
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#define ST_ACCEL_6_ODR_AVL_400HZ_VAL 0x02
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#define ST_ACCEL_6_ODR_AVL_1000HZ_VAL 0x03
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#define ST_ACCEL_6_PW_ADDR 0x20
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#define ST_ACCEL_6_PW_MASK 0x20
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#define ST_ACCEL_6_FS_ADDR 0x23
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#define ST_ACCEL_6_FS_MASK 0x30
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#define ST_ACCEL_6_FS_AVL_100_VAL 0x00
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#define ST_ACCEL_6_FS_AVL_200_VAL 0x01
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#define ST_ACCEL_6_FS_AVL_400_VAL 0x03
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#define ST_ACCEL_6_FS_AVL_100_GAIN IIO_G_TO_M_S_2(49000)
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#define ST_ACCEL_6_FS_AVL_200_GAIN IIO_G_TO_M_S_2(98000)
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#define ST_ACCEL_6_FS_AVL_400_GAIN IIO_G_TO_M_S_2(195000)
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#define ST_ACCEL_6_BDU_ADDR 0x23
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#define ST_ACCEL_6_BDU_MASK 0x80
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#define ST_ACCEL_6_DRDY_IRQ_ADDR 0x22
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#define ST_ACCEL_6_DRDY_IRQ_INT1_MASK 0x02
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#define ST_ACCEL_6_DRDY_IRQ_INT2_MASK 0x10
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#define ST_ACCEL_6_IHL_IRQ_ADDR 0x22
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#define ST_ACCEL_6_IHL_IRQ_MASK 0x80
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#define ST_ACCEL_6_MULTIREAD_BIT true
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static const struct iio_chan_spec st_accel_8bit_channels[] = {
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ST_SENSORS_LSM_CHANNELS(IIO_ACCEL,
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BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
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@ -557,6 +587,68 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
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.multi_read_bit = ST_ACCEL_5_MULTIREAD_BIT,
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.bootime = 2, /* guess */
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},
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{
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.wai = ST_ACCEL_6_WAI_EXP,
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.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
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.sensors_supported = {
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[0] = H3LIS331DL_DRIVER_NAME,
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},
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.ch = (struct iio_chan_spec *)st_accel_12bit_channels,
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.odr = {
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.addr = ST_ACCEL_6_ODR_ADDR,
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.mask = ST_ACCEL_6_ODR_MASK,
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.odr_avl = {
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{ 50, ST_ACCEL_6_ODR_AVL_50HZ_VAL },
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{ 100, ST_ACCEL_6_ODR_AVL_100HZ_VAL, },
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{ 400, ST_ACCEL_6_ODR_AVL_400HZ_VAL, },
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{ 1000, ST_ACCEL_6_ODR_AVL_1000HZ_VAL, },
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},
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},
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.pw = {
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.addr = ST_ACCEL_6_PW_ADDR,
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.mask = ST_ACCEL_6_PW_MASK,
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.value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
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.value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
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},
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.enable_axis = {
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.addr = ST_SENSORS_DEFAULT_AXIS_ADDR,
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.mask = ST_SENSORS_DEFAULT_AXIS_MASK,
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},
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.fs = {
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.addr = ST_ACCEL_6_FS_ADDR,
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.mask = ST_ACCEL_6_FS_MASK,
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.fs_avl = {
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[0] = {
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.num = ST_ACCEL_FS_AVL_100G,
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.value = ST_ACCEL_6_FS_AVL_100_VAL,
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.gain = ST_ACCEL_6_FS_AVL_100_GAIN,
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},
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[1] = {
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.num = ST_ACCEL_FS_AVL_200G,
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.value = ST_ACCEL_6_FS_AVL_200_VAL,
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.gain = ST_ACCEL_6_FS_AVL_200_GAIN,
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},
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[2] = {
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.num = ST_ACCEL_FS_AVL_400G,
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.value = ST_ACCEL_6_FS_AVL_400_VAL,
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.gain = ST_ACCEL_6_FS_AVL_400_GAIN,
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},
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},
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},
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.bdu = {
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.addr = ST_ACCEL_6_BDU_ADDR,
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.mask = ST_ACCEL_6_BDU_MASK,
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},
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.drdy_irq = {
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.addr = ST_ACCEL_6_DRDY_IRQ_ADDR,
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.mask_int1 = ST_ACCEL_6_DRDY_IRQ_INT1_MASK,
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.mask_int2 = ST_ACCEL_6_DRDY_IRQ_INT2_MASK,
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.addr_ihl = ST_ACCEL_6_IHL_IRQ_ADDR,
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.mask_ihl = ST_ACCEL_6_IHL_IRQ_MASK,
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},
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.multi_read_bit = ST_ACCEL_6_MULTIREAD_BIT,
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.bootime = 2,
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},
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};
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static int st_accel_read_raw(struct iio_dev *indio_dev,
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@ -76,6 +76,10 @@ static const struct of_device_id st_accel_of_match[] = {
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.compatible = "st,lis2dh12-accel",
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.data = LIS2DH12_ACCEL_DEV_NAME,
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},
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{
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.compatible = "st,h3lis331dl-accel",
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.data = H3LIS331DL_DRIVER_NAME,
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},
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{},
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};
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MODULE_DEVICE_TABLE(of, st_accel_of_match);
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